Exercise apparatus



FIG. 1 is a first perspective view of an exercise apparatus showing our new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view of the design of FIG. 2;

FIG. 4 is a rear view of the design of FIG. 2;

FIG. 5 is a side view of the design of FIG. 2, wherein the opposite side of the exercise apparatus is a mirror image of the side view;

FIG. 6 is a top view of the design of FIG. 2;

FIG. 7 is an enlarged view of FIG. 1; and,

FIG. 8 is a cross-sectional view taken along the lines 8-8 of FIG. 7.

The broken lines depict unclaimed environmental subject matter. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 